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OTS-NK-555 Bluetooth Stereo Amplifier 2 Channel with Bass & Treble Control
OTS-NK-555 12V DC Bluetooth stereo amplifier with USB, TF card, FM radio, AUX input, LED display, bass and treble controls, and remote control.
Brand: OTSSKU: AMP-OBSA-5729
Key Highlights
- Bluetooth audio connectivity
- USB music playback
- TF card playback
- FM radio support
- AUX audio input
- LED display
- Independent bass and treble controls
- Volume control knob
- Wireless remote control
- 12V DC input
Description
The OTS NK-555 is a compact stereo amplifier designed for home audio, DIY sound systems and compatible vehicle audio projects. It features Bluetooth connectivity, USB playback, TF card support, FM radio and AUX input. The front panel includes an LED display, power switch, volume control, bass adjustment and treble adjustment. A wireless remote is included for convenient operation. The product image specifies a 12V DC input and advertises a maximum amplifier output of 2 × 50W / 110W Max. Actual output power depends on the supply voltage, current capacity, speaker impedance, circuit design and distortion level. Confirm the exact amplifier IC and output rating before installation.
Technical Specifications
General
- Brand
- OTS
- SKU
- AMP-OBSA-5729
- Category
- Amplifiers
- Key specification
- Amplifier
Audio
- Output Power
- 2 x50w
- Channels
- dual
- Frequency Response
- 20hz-20khz
- Speaker Impedance
- 4-8ohm
Power
- Input Voltage
- 12 Volt DC
Connectivity
- Bluetooth
- yes
- USB
- yes
- TF Card
- yes
- AUX
- yes
- FM
- yes
Physical
- Dimensions
- 17.5x6 cm
Additional Specifications
- Model
- NK-555
- Product type
- Stereo audio amplifier
- Input voltage
- 12V DC (as advertised)
- Advertised maximum output
- 2 × 50W / 110W Max
- Amplifier configuration
- 2-channel stereo
- Circuit description
- 4440 IC-based (as stated in the image; verify actual IC)
- Audio technology
- Image claims Class-D; verify before publishing
- Connectivity
- Bluetooth
- Playback
- USB and TF card
- Radio
- FM
- Audio input
- AUX
- Display
- LED display
- Audio controls
- Volume, bass and treble
- Remote
- Wireless remote control
- Frequency response
- Not specified by manufacturer
Package & Tax
- HSN Code
- Verify applicable HSN before publishing
- GST Rate
- 18%
Applications / Suitable For
- Home audio systems
- DIY speaker boxes
- Compatible car audio projects
- Portable sound systems
- Custom stereo speaker systems
What's in the Box
- NK-555 amplifier unit
- Wireless remote control
Requirements / Compatibility
- Regulated 12V DC power supply with sufficient current capacity
- Compatible speakers
- Suitable speaker wiring
- Correct speaker impedance for the amplifier